201581900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5347}}^1$

素因数の和:5403

約数の個数: 72

約数和(自身を含む): 487416720

約数和(自身を除く): 285834820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 1300, 1450, 1508, 1885, 2900, 3770, 5347, 7540, 9425, 10694, 18850, 21388, 26735, 37700, 53470, 69511, 106940, 133675, 139022, 155063, 267350, 278044, 310126, 347555, 534700, 620252, 695110, 775315, 1390220, 1550630, 1737775, 2015819, 3101260, 3475550, 3876575, 4031638, 6951100, 7753150, 8063276, 10079095, 15506300, 20158190, 40316380, 50395475, 100790950, 201581900]

約数ペア:

[(1, 201581900), (2, 100790950), (4, 50395475), (5, 40316380), (10, 20158190), (13, 15506300), (20, 10079095), (25, 8063276), (26, 7753150), (29, 6951100), (50, 4031638), (52, 3876575), (58, 3475550), (65, 3101260), (100, 2015819), (116, 1737775), (130, 1550630), (145, 1390220), (260, 775315), (290, 695110), (325, 620252), (377, 534700), (580, 347555), (650, 310126), (725, 278044), (754, 267350), (1300, 155063), (1450, 139022), (1508, 133675), (1885, 106940), (2900, 69511), (3770, 53470), (5347, 37700), (7540, 26735), (9425, 21388), (10694, 18850)]